Solve the problem that the CPU fan error is displayed when the computer is turned on

How to solve the "cpu fan error" prompt when starting up the computer

As the use of computers becomes more and more popular, some common problems have begun to appear. One of them is the "cpu fan error" prompt that appears when booting. This problem may cause the computer to fail to start properly or even damage the CPU. Below we’ll explore the causes of this problem and how to fix it.

First of all, let us understand why the CPU fan error occurs. The CPU fan is one of the key components that keeps the CPU temperature running normally. When the CPU temperature gets too high, the computer usually shuts down automatically to prevent damage. In order to prevent this from happening, the motherboard is equipped with a monitoring mechanism to detect the status of the CPU fan. When the motherboard detects that the fan is not working properly, a "cpu fan error" message will appear.

So, what are the reasons for this problem?

1. Fan failure: The first thing to check is the CPU fan itself. The fan may not be working properly due to age or damage. If you find that the fan rotates erratically or does not rotate at all, consider replacing the fan with a new one.
2. Fan connection problem: Sometimes, a poor connection between the fan and the motherboard will cause the monitoring mechanism to be unable to detect the operation of the fan. In this case, you can try replugging and unplugging the fan cable to make sure the connection is secure.
3. BIOS setting problem: There is an option in the BIOS setting of some computers to monitor CPU fan failure. If this setting is turned on and the fan does not actually malfunction, a "cpu fan error" message will also appear. The solution is to enter the BIOS setup interface, find the relevant options and turn them off.

Now, let us solve the "cpu fan error" problem.

First, shut down and disconnect the power supply. Then, open the computer case and find the CPU fan. Check whether the fan rotates normally. If not, replace the fan. If the fan is running normally, check whether the connection between the fan and the motherboard is secure.

If none of the above steps solve the problem, you can try resetting the CMOS. CMOS is the chip that stores BIOS settings, and it is responsible for storing settings related to the CPU fan. Resetting CMOS can restore default settings and solve possible setting problems. Specifically, you can reset the CMOS by removing the CMOS battery on the motherboard or using a CMOS jumper.

If the problem persists, it may be due to a BIOS setting issue. You can enter the BIOS setting interface and find the options related to the CPU fan to ensure that they are set correctly. Different motherboards may have different settings. You can refer to the motherboard's instruction manual or search for relevant tutorials on the Internet.

To summarize, when the computer prompts "cpu fan error" when booting, we should first check the status of the CPU fan to ensure that it is working properly. If there is a problem with the fan, it will need to be replaced with a new one. If the fan is normal, you can try to reconnect the fan to the motherboard, reset the CMOS and check the BIOS settings. Hopefully, the above solutions will help you resolve this issue and get your computer back up and running normally.

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